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Random
Hot problems
Singularity Cup P2 - Reverse Substring Partitioning
Arcadia Computing Contest 1 P2 - Chemistry
Arcadia Computing Contest 1 P3 - ScanTron
Arcadia Computing Contest 1 P5 - Hacking Grades
CCC '13 S1 - From 1987 to 2013
Arcadia Computing Contest 1 P4 - Cyclic Sorting
CCC '18 S3 - RoboThieves
Problem
Category
Points
AC %
Users
Homer Simpson
Uncategorized
7
31.8%
4
HopScotch II
Classics
12p
23.8%
194
Hungry
Uncategorized
5p
44.2%
115
The Hu Tao Fractal
Uncategorized
7p
23.4%
11
Icebergs
Uncategorized
12p
19.6%
51
ICHB Selection Contest '17 Problem 1 - Airship Fights (Correct Version)
Uncategorized
30p
9.1%
2
ICHB Selection Contest '17 Problem 2 - Black Star's Visit
Uncategorized
7p
8.5%
26
ICHB Selection Contest '17 Problem 3 - Parallel Universe
Uncategorized
12p
23.0%
164
Word Scrambler
Uncategorized
5
50.1%
743
Inaho X
Uncategorized
7p
38.2%
11
Inaho XI
Uncategorized
5p
44.5%
30
Inaho II
Uncategorized
25p
13.6%
32
Inaho III
Uncategorized
17p
18.6%
32
Inaho IV
Uncategorized
5p
48.7%
160
Inaho V
Uncategorized
3p
18.8%
212
Inaho VI
Uncategorized
10p
30.8%
42
Inaho VII
Uncategorized
25p
25.4%
9
Inaho VIII
Uncategorized
20
27.6%
11
Inaho IX
Uncategorized
20p
26.1%
47
Infinity
Uncategorized
3
35.6%
552
Cosmic Inflation
Uncategorized
7
50.8%
29
Count The Triplets
Uncategorized
7
10.9%
183
Intervals
Uncategorized
10p
20.6%
111
Expected Inversions
Uncategorized
12p
33.6%
25
A Permutation Problem 2
Uncategorized
12
31.1%
24
IOI '00 P1 - Palindrome
IOI
10p
18.6%
856
IOI '00 P2 - Car Parking
IOI
15p
18.3%
55
IOI '00 P4 - Walls
IOI
12
36.5%
267
IOI '00 P5 - Post Office
IOI
15p
40.6%
186
IOI '00 P6 - Building with Blocks
IOI
20p
7.1%
8
IOI '01 P1 - Mobile Phones
IOI
15p
27.3%
735
IOI '01 P2 - Ioiwari Game
IOI
12p
33.6%
10
IOI '01 P3 - Twofive
IOI
25p
17.1%
67
IOI '01 P6 - Depot
IOI
30p
13.2%
41
IOI '02 P1 - The Troublesome Frog
IOI
15p
16.4%
79
IOI '02 P2 - Utopia Divided
IOI
20p
24.7%
92
IOI '02 P4 - Batch Scheduling
IOI
20p
37.8%
338
IOI '02 P5 - Bus Terminals
IOI
30p
14.8%
53
IOI '03 P2 - Comparing Code
IOI
25p
17.6%
32
IOI '03 P5 - Amazing Robots
IOI
20
11.4%
38
IOI '03 P6 - Seeing the Boundary
IOI
20p
17.3%
72
IOI '03 Practice Task 1 - Balancing Act
IOI
15
46.4%
126
IOI '04 P1 - Artemis
IOI
15p
6.9%
69
IOI '04 P2 - Hermes
IOI
15p
23.6%
189
IOI '04 P2 - Hermes (Hard)
IOI
20p
8.1%
9
IOI '04 P3 - Polygon
IOI
20p
3.1%
1
IOI '04 P4 - Phidias
IOI
10p
54.2%
1019
IOI '04 P5 - Farmer
IOI
15p
13.1%
214
IOI '04 P6 - Empodia
IOI
30p
17.1%
151
IOI '05 P1 - Garden
IOI
20p
21.5%
266
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